Add a conservativelyContainsRect function to SkPath.

Review URL: https://codereview.appspot.com/6852044

git-svn-id: http://skia.googlecode.com/svn/trunk@6411 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 9 insertions, 1 deletions

diff --git a/include/core/SkPath.h b/include/core/SkPath.h
index ee02c6546b..20d041dd88 100644
--- a/include/core/SkPath.h
+++ b/include/core/SkPath.h
@@ -292,7 +292,7 @@ public:
     }
 
     /** Calling this will, if the internal cache of the bounds is out of date,
-        update it so that subsequent calls to getBounds will be instanteous.
+        update it so that subsequent calls to getBounds will be instantaneous.
         This also means that any copies or simple transformations of the path
         will inherit the cached bounds.
      */
@@ -301,6 +301,14 @@ public:
         this->getBounds();
     }
 
+    /**
+     * Does a conservative test to see whether a rectangle is inside a path. Currently it only
+     * will ever return true for single convex contour paths. The empty-status of the rect is not
+     * considered (e.g. a rect that is a point can be inside a path). Points or line segments where
+     * the rect edge touches the path border are not considered containment violations.
+     */
+    bool conservativelyContainsRect(const SkRect& rect) const;
+
     //  Construction methods
 
     /** Hint to the path to prepare for adding more points. This can allow the